Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Open-closed loop iterative learning control of piezoelectric actuators | |
Li P.-Z.; Yan F.; Ge C.; Li P.-Y.; Sui Y.-X.; Yang H.-J. | |
2014 | |
发表期刊 | Guangxue Jingmi Gongcheng/Optics and Precision Engineering |
ISSN | ISBN/1004924X |
卷号 | 22期号:2页码:414-419 |
摘要 | As open-closed loop iterative learning control scheme can up the convergence and reduce the tracking error, this paper uses the scheme to improve high frequency trajectory tracking accuracy of a piezoelectric actuator(PZT). First, a discrete-time open-loop P-type with closed-loop PI-type iterative learning law was proposed and its convergence condition was given. Then, a discrete-time open-closed loop iterative learning controller was designed for the PZT system. Finally, as to 50 Hz and 25Hz+50Hz triangular desired trajectories with single and compound frequencies, the tracking control experiment was performed. Experimental results indicate that the proposed iterative learning controller can achieve 10.6 nm and 12.5 nm maximum tracking errors for the 2 kinds of trajectories, which are 96.25% and 95.62% less than that of the PID controller. It concludes that the proposed control scheme can be easily implemented and can obtain the high accuracy of trajectory tracking without precise hysteresis and PZT system models. It meets both the requirements of single and compound frequency trajectory tracking for high tracking accuracy. |
收录类别 | EI |
语种 | 中文 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/44209 |
专题 | 中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | Li P.-Z.,Yan F.,Ge C.,et al. Open-closed loop iterative learning control of piezoelectric actuators[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2014,22(2):414-419. |
APA | Li P.-Z.,Yan F.,Ge C.,Li P.-Y.,Sui Y.-X.,&Yang H.-J..(2014).Open-closed loop iterative learning control of piezoelectric actuators.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,22(2),414-419. |
MLA | Li P.-Z.,et al."Open-closed loop iterative learning control of piezoelectric actuators".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 22.2(2014):414-419. |
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